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https://issues.apache.org/jira/browse/HIVE-19810?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16514227#comment-16514227
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Sergey Shelukhin commented on HIVE-19810:
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+1. Did you test the patch on some cluster, since there's no unit test?
> StorageHandler fail to ship jars in Tez intermittently
> ------------------------------------------------------
>
> Key: HIVE-19810
> URL: https://issues.apache.org/jira/browse/HIVE-19810
> Project: Hive
> Issue Type: Bug
> Components: Tez
> Reporter: Daniel Dai
> Assignee: Daniel Dai
> Priority: Major
> Attachments: HIVE-19810.1.patch, HIVE-19810.2.patch, testcase.patch
>
>
> Hive relies on StorageHandler to ship jars to backend automatically in
> several cases: JdbcStorageHandler, HBaseStorageHandler,
> AccumuloStorageHandler. This does not work reliably, in particular, the first
> dag in the session will have those jars, the second will not unless container
> is reused. In the later case, the containers allocated to first dag will be
> reused in the second dag so the container will have additional resources.
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